It's just too early to tell," said George Glassman, president of Glassman Automotive Group, which sells five automotive brands outside Detroit. Since then, VinFast shares have retreated, and were down 17.2% at $24.92 at midday on Thursday. The new hybrid sales plan is just another challenge and the luxury carmaker is already talking to dealers. U.S. dealers said there are too many unanswered questions, including how VinFast will distribute parts needed to make repairs. Several dealers said VinFast may need to offer sweetened profit margins to dealers to account for the added risk.

---

Persons: It's, George Glassman, VinFast, Le, Thuy, Scott Fink, I'm, Tesla, Andrew DiFeo, Augustine, Warren Browne, Rhett Ricart, Dealers, it's, Ricart, Beau Boeckmann, Boeckmann, Ben Klayman, Phuong Nguyen, Matthew Lewis Organizations: Nasdaq, U.S, Reuters, Glassman Automotive, Ford, General Motors, U.S ., Fink Automotive Group, VW, Subaru, GM, Hyundai, Ricart Automotive, Toyota, Honda, Galpin Motors, Thomson Locations: U.S, North America, Detroit, VinFast, Tampa , Florida, St, Jacksonville , Florida, Columbus , Ohio, Los Angeles, VinFast's, Vietnam, Hanoi